.page-news {
  background: var(--color-paper);
}

.page-news .breadcrumb {
  padding: 16px 0 0;
}

/* ========== 期刊头图 ========== */
.page-news .news-hero {
  padding: 44px 0 0;
  margin-bottom: 56px;
}

.page-news .news-hero__text {
  max-width: 880px;
  margin-bottom: 32px;
}

.page-news .news-hero__kicker {
  display: inline-block;
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  margin-bottom: 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-gold);
}

.page-news .news-hero__text h1 {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.3;
  color: var(--color-night);
  margin: 0 0 16px;
  letter-spacing: .01em;
}

.page-news .news-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-charcoal);
  max-width: 740px;
  margin: 0 0 20px;
}

.page-news .news-hero__media {
  margin: 0;
}

.page-news .news-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: var(--shadow);
}

/* ========== 观察索引 ========== */
.page-news .observation-index {
  background: var(--color-deep);
  color: var(--color-white);
  padding: 24px 22px;
  border-left: 3px solid var(--color-gold);
  box-shadow: var(--shadow);
}

.page-news .observation-index__heading {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--color-white);
}

.page-news .observation-index__intro {
  font-size: 13px;
  color: rgba(255,255,255,.72);
  margin-bottom: 14px;
}

.page-news .observation-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .observation-index__item {
  border-bottom: 1px solid rgba(255,255,255,.14);
}

.page-news .observation-index__item:last-child {
  border-bottom: none;
}

.page-news .observation-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 4px;
  color: inherit;
  text-decoration: none;
  transition: background-color .2s ease, padding-left .2s ease;
}

.page-news .observation-index__link:hover,
.page-news .observation-index__link:focus-visible {
  background-color: rgba(255,255,255,.08);
  padding-left: 12px;
}

.page-news .observation-index__name {
  font-weight: 500;
}

.page-news .observation-index__no {
  margin-left: auto;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  font-variant-numeric: tabular-nums;
}

.page-news .observation-index__count {
  font-size: 13px;
  color: rgba(255,255,255,.62);
  font-variant-numeric: tabular-nums;
}

.page-news .observation-index__foot {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-gold);
  letter-spacing: .06em;
}

/* ========== 分类圆点 ========== */
.page-news .filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}

.page-news .filter-dot--gold {
  background-color: var(--color-gold);
}

.page-news .filter-dot--green {
  background-color: var(--color-green);
}

.page-news .filter-dot--red {
  background-color: var(--color-red);
}

.page-news .filter-dot--mist {
  background-color: var(--color-mist);
}

/* ========== 观看指南 ========== */
.page-news .viewing-guide {
  background: var(--color-white);
  border: 1px solid rgba(14,36,55,.14);
  padding: 22px;
  margin-top: 24px;
}

.page-news .viewing-guide__heading {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-night);
  margin: 0 0 14px;
}

.page-news .viewing-guide__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .viewing-guide__item {
  padding: 12px 0;
  border-top: 1px solid rgba(14,36,55,.1);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-charcoal);
}

.page-news .viewing-guide__item:first-child {
  border-top: none;
}

.page-news .viewing-guide__no {
  color: var(--color-gold);
  font-weight: 600;
  margin-right: 4px;
  font-variant-numeric: tabular-nums;
}

.page-news .viewing-guide__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(14,36,55,.1);
}

.page-news .viewing-guide__link {
  color: var(--color-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold);
  font-size: 14px;
  padding-bottom: 2px;
  position: relative;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .viewing-guide__link:hover,
.page-news .viewing-guide__link:focus-visible {
  color: var(--color-gold);
  border-color: var(--color-deep);
}

/* ========== 期刊双栏 ========== */
.page-news .journal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-news .journal__main {
  min-width: 0;
}

.page-news .news-feed .section-header {
  margin-bottom: 20px;
}

/* ========== 最新动态 ========== */
.page-news .news-block {
  padding-top: 28px;
}

.page-news .news-block + .news-block {
  border-top: 1px solid rgba(14,36,55,.16);
}

.page-news .news-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-gold);
}

.page-news .news-block__digit {
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}

.page-news .news-block__heading {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-night);
  margin: 0;
}

.page-news .news-block__note {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-charcoal);
}

/* ========== 动态条目 ========== */
.page-news .news-item {
  position: relative;
  padding: 18px 0 18px 18px;
  transition: background-color .2s ease, box-shadow .2s ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background-color: transparent;
  transition: background-color .2s ease;
}

.page-news .news-item:hover::before {
  background-color: var(--color-gold);
}

.page-news .news-item--featured {
  background-color: var(--color-mist);
  border-radius: 2px;
  padding: 24px 20px 24px 22px;
}

.page-news .news-item--featured::before {
  background-color: var(--color-gold);
  left: 4px;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  font-size: 13px;
  color: var(--color-charcoal);
}

.page-news .news-item__time {
  display: inline-block;
  background: var(--color-night);
  color: var(--color-white);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 1px;
}

.page-news .news-item__category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news .news-item__title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-night);
  line-height: 1.45;
  margin: 6px 0 10px;
}

.page-news .news-item--featured .news-item__title {
  font-size: 26px;
  line-height: 1.35;
}

.page-news .news-item__excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-charcoal);
  margin: 0;
}

.page-news .news-item__figure {
  margin: 16px 0 0;
  max-width: 460px;
}

.page-news .news-item__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(14,36,55,.12);
}

.page-news .news-item__caption,
.page-news .story-figure__caption {
  font-size: 12px;
  color: var(--color-charcoal);
  line-height: 1.5;
  margin: 6px 0 0;
}

.page-news .news-item__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 14px;
}

.page-news .news-item__more {
  color: var(--color-deep);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(14,36,55,.2);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .news-item__more:hover,
.page-news .news-item__more:focus-visible {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

/* ========== 版本专题 ========== */
.page-news .version-special {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 3px solid var(--color-night);
}

.page-news .feature-head {
  margin-bottom: 26px;
}

.page-news .feature-head__title {
  font-family: var(--font-title);
  font-size: 28px;
  line-height: 1.3;
  color: var(--color-night);
  margin: 10px 0 10px;
}

.page-news .feature-head__lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-charcoal);
  max-width: 680px;
  margin: 0;
}

.page-news .feature-story {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .feature-story__block {
  background: var(--color-white);
  border: 1px solid rgba(14,36,55,.12);
  border-left: 3px solid var(--color-gold);
  padding: 24px;
}

.page-news .feature-story__heading {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-night);
  margin: 0 0 10px;
}

.page-news .feature-story__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 0;
}

.page-news .story-figure {
  margin: 16px 0 0;
}

.page-news .story-figure__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(14,36,55,.12);
}

.page-news .context-note {
  background: rgba(201,162,39,.08);
  border: 1px solid var(--color-gold);
  padding: 22px;
}

.page-news .context-note__label {
  display: block;
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  margin-bottom: 8px;
}

.page-news .context-note__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-charcoal);
  margin: 0;
}

/* ========== 响应式 ========== */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding-top: 56px;
    margin-bottom: 72px;
  }

  .page-news .news-hero__text h1 {
    font-size: 40px;
  }

  .page-news .viewing-guide {
    padding: 26px;
  }

  .page-news .observation-index {
    padding: 28px 26px;
  }

  .page-news .news-block__note {
    font-size: 13px;
  }

  .page-news .feature-head__title {
    font-size: 32px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__text h1 {
    font-size: 46px;
    line-height: 1.22;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

  .page-news .journal {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 52px;
  }

  .page-news .journal__side {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-news .news-item--featured .news-item__title {
    font-size: 29px;
  }

  .page-news .feature-story {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .context-note {
    grid-column: 1 / -1;
  }
}